•Jenna Coleman returns as the title character in a new season of “Victoria.” She plays the young 19th-Century queen who wants it all: romance, power, an heir and personal freedom. Also, Diana Rigg joins the cast. 9 p.m., PBS.

•As Season 2 of “Divorce” begins, Frances (Sarah Jessica Parker) and Robert (Thomas Haden Church) are trying to rebuild their lives independently in the aftermath of their turbulent separation, but it’s more complicated than they imagined. 10 p.m., HBO.

MONDAY

•In the two-hour season finale of “The Gifted,” Dr. Campbell attends an anti-mutant summit in an attempt to take the Hound program national. Some of the team members at Mutant HQ go on a dangerous mission to stop his efforts. 8 p.m., Fox.

•“Chain of Command” is an intimate, eight-part documentary series that shadows U.S. military leaders and fighters as they combat violent extremism across the globe. Producers promise “unprecedented access” to armed forces and the Pentagon. 9 p.m., National Geographic.

TUESDAY

“Black Lightning” brings some needed diversity to the superhero genre. Cress Williams stars as Jefferson Pierce, a man who uses his secret power — he can control electricity — to keep his hometown streets safe from evildoers. 9 p.m., the CW.

WEDNESDAY

•After a mesmerizing look back at the O.J. Simpson murder case, anthology series “American Crime Story” from prolific producer Ryan Murphy turns its attention to the 1997 murder of fashion icon Gianni Versace (Edgar Ramirez). Darren Criss (“Glee”) delivers an astonishing performance as troubled spree-killer Andrew Cunanan, whose path of destruction landed him on the FBI’s 10 Most Wanted List even before he shot Versace on the steps outside his Miami Beach mansion. The cast also features Penélope Cruz and Ricky Martin. 10 p.m., FX.

•“Relative Success with Tabatha” is a new unscripted series that has the no-nonsense Tabatha Coffey working to help flagging family businesses from fading into oblivion. 10 p.m., Bravo.

THURSDAY

Get ready to bid farewell to “Portlandia.” The wildly offbeat comedy series starring Fred Armisen and Carrie Brownstein returns for its final season. New guest stars include Rachel Bloom, John Corbett, Terry Crews, Rashida Jones and more. 10 p.m., IFC.

FRIDAY

“High Maintenance” is the rare show that can both make you laugh and give you the munchies. Ben Sinclair returns as the Guy, a bearded, pot-dealing deliveryman whose growing clientele is keeping him busier than ever. 11 p.m., HBO.